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Datasheet
PBA2
- 2 -
Programmable Gain and Bias Amplifier
Specifications
Test Conditions
Ta = 25°C
Gain
Transimpedance
1 x 103 … 1 x 108 V/A
Gain Accuracy
± 1%
Frequency Response
Lower Cut-Off Frequency
DC / 0.5 Hz
Upper Cut-Off Frequency
Up to 500 kHz ( See Table Below )
Gain Flatness
± 0.1 dB
Input
Equ. Input Noise Voltage
4 nV / Hz ( @ 100 Hz )
Input Bias Current
1 pA typ. ( maximum 3 pA )
Performance depending
Sensitivity ( A/V )
DC
10-2
10-3
10-4
10-5
10-6
10-7
on Gain Setting
Sensitivity ( A/V )
AC
10-3
10-4
10-5
10-6
10-7
10-8
Upper Cut-Off Frequency (-
3dB)
500 kHz
480 kHz
510 kHz
290 kHz
138 kHz
33 kHz
Equ Input Noise Current
(A/ Hz)
200 pA
98.2 pA
10.1 pA
1.1 pA
168 fA
44.9 fA
Max. biasing Current (±)
10 mA
10 mA
1 mA
100 µA
10 µA
0.1 µA
Max. Offset Voltage
100 µA
10 µA
1 µA
0.1 µA
10 nA
1 nA
Output
Output Voltage
± 10 V ( @ 10 k Load )
Output Voltage for Biasing
± 5 V ( 0.1% Precision )
Output Impedance
50
Maximum Output Current
± 20 mA
Digital Control
Control Input Voltage Range
Low : - 0.8 V… + 1.2 V, High : 2.3 V…+ 5.25 V
Control Input Current
1.5 mA @ 0 V, 4.5 mA @ + 5 V
Power Supply
Supply Voltage
± 14 V
Supply Current max
+ 100 mA / - 100 mA
Stabilized Power Supply Output
± 12 V, maximum 100 mA, + 5 V, maximum 40 mA
Case
Weight
380 gr.
Temperature Range
Storage Temperature
- 40 °C + 100 °C
Operating Temperature
0 °C + 60 °C
Absolute Max. Ratings
Control Input Voltage
+ 5.25 V
Power Supply Voltage
± 15 V
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